(19)

(11)

EP 0 324 761 A1

(12)

(43) Date of publication: 26.07.1989 Bulletin 1989/30 (21) Application number: 87906247.0 (22) Date of filing: 31.08.1987

(51) International Patent Classification (IPC):  C04B 35/ 486( . ) F42B 8/ 16( . ) C04B 35/ 64( . ) F42B 12/ 74( . ) (86) International application number: PCT/US1987/002176 (87) International publication number: WO 1988/001723 (10.03.1988 Gazette 1988/06)

(84) Designated Contracting States: BE FR IT (30) Priority: 03.09.1986 US 19860903307 (71) Applicant: COORS PORCELAIN COMPANY Golden Colorado 80401 (US)	(72) Inventors: DINKHA, Brian, I. Westminster, CO 80030 (US) JASA, Paul, B. Denver, CO 80222 (US) SEEGMILLER, Brian Arvada, CO 80004 (US) SIMMONS, Alden, C. Boulder, CO 80302 (US) (74) Representative: KUHNEN, WACKER & PARTNER  Patent- und Rechtsanwaltsbüro, Alois-Steineckerstrasse 22 D-85354 Freising D-85354 Freising (DE)